问题
选择题
(2013·陕西宝鸡二检)Not until he went abroad for further study ________ how attached he was to his parents.
A．that the realized
B．had he realized
C．did he realize
D．that he had realized
答案
答案：C
选C 考查倒装和时态。句意：直到去国外深造他才意识到他有多么依恋父母。当not until位于句首时，句子要倒装，另外，根据句中的“went”和“was”可知，此处应用一般过去时。故选C。
